Added version 1.00 of the script

pbkdf2.sh

@@ -0,0 +1,106 @@
+#!/bin/bash
+
+function printhelp {
+  version=$(tail -1 $0)
+  echo "Usage: "
+  echo
+  echo "  $0 hashtype salt password iterations {raw/full}"
+  echo
+  echo "Hashtypes: md5, sha1, sha224, sha256, sha384, sha512, blake2b"
+  echo "           blake2s, sha3_224, sha3_256, sha3_384, sha3_512"
+  echo "           shake_128, shake_256."
+  echo
+  echo "Salt: This must be a predefind string of A-Z, a-z and 0-9."
+  echo
+  echo "Password: The password you want hashed."
+  echo
+  echo "Iterations: An integer (range 1 to 2147483647)."
+  echo "            The higher the integer the more secure but at the"
+  echo "            cost of time."
+  echo
+  echo "{raw/full}: This is optional. By default you will get a hash"
+  echo "            string followed by a new line. If you do not want"
+  echo "            the new line, say to use in a variable, then use"
+  echo "            'raw' to get just the hash in hex. However if you"
+  echo "            use 'full', you will get a string that can be used"
+  echo "            to input into a database with a new line at the end."
+  echo "            Use 'rawfull' to return the string without the new"
+  echo "            new line."
+  echo
+  echo "More about PBKDF2 hashing - https://en.wikipedia.org/wiki/PBKDF2"
+  echo
+  echo "App: $0 version ${version:1}"
+  echo "URL: https://git.zaks.web.za/thisiszeev/pbkdf2"
+  echo "License: GPL3.0 or later"
+  echo "Author: Ze'ev Schurmann"
+  echo "Reddit: u/thisiszeev"
+  echo "Donations: https://paypal.me/thisiszeev"
+  echo
+  echo "NOTE: This script requires Python3 which as it's own license."
+  echo "      Please visit https://github.com/python/cpython for more"
+  echo "      information."
+  echo
+  exit 255
+  }
+
+ispython3installed=($(whereis python3))
+
+if [[ ${#ispython3installed} == 1 ]] && [[ ${ispython3installed[0]} == "python3:" ]]; then
+  echo "Needs Python3"
+  exit 255
+fi
+
+if [[ -z $1 ]] || [[ -z $2 ]] || [[ -z $3 ]] || [[ -z $4 ]] || [[ ! -z $6 ]]; then
+  printhelp
+else
+  if [[ $1 != "md5" ]] && [[ $1 != "sha1" ]] && [[ $1 != "sha224" ]] && [[ $1 != "sha256" ]] && [[ $1 != "sha384" ]] && [[ $1 != "sha512" ]] && [[ $1 != "blake2b" ]] && [[ $1 != "blake2s" ]] && [[ $1 != "sha_224" ]] && [[ $1 != "sha3_256" ]] && [[ $1 != "sha3_384" ]] && [[ $1 != "sha3_512" ]] && [[ $1 != "shake_128" ]] && [[ $1 != "shake_256" ]]; then
+    printhelp
+  else
+    if [[ $4 -gt 0 ]] && [[ $4 -lt 2147483648 ]]; then
+      declare thehashtype=$1
+      declare thesalt=$2
+      declare thepassword=$3
+      declare -i theiterations=$4
+      if [[ -z $5 ]]; then
+        mode="echo"
+      else
+        if [[ $5 == "raw" ]]; then
+          mode="raw"
+        elif [[ $5 == "full" ]]; then
+          mode="full"
+        elif [[ $5 == "rawfull" ]]; then
+          mode="rawfull"
+        else
+          printhelp
+        fi
+      fi
+    fi
+  fi
+fi
+
+#thesalt='TdkvYjyoP2w3yIcE'
+#thepassword='HXqrYN6v2mYRYQQ!'
+#theiterations=260000
+#thehashtype='sha256'
+
+hashstring=$(python3 -c "from hashlib import pbkdf2_hmac; salt = '$thesalt'; password = '$thepassword'; hashtype = '$thehashtype'; iterations = int($theiterations); print(pbkdf2_hmac(hashtype, password.encode(), salt.encode(), iterations).hex())")
+errorcode=$?
+if [[ $errorcode -gt 0 ]]; then
+  exit $errorcode
+fi
+
+if [[ $mode == "echo" ]]; then
+  echo $hashstring
+elif [[ $mode == "raw" ]]; then
+  echo -n $hashstring
+elif [[ $mode == "full" ]]; then
+  echo "pbkdf2:$thehashtype:$theiterations\$$thesale\$$hashstring"
+elif [[ $mode == "rawfull" ]]; then
+  echo -n "pbkdf2:$thehashtype:$theiterations\$$thesale\$$hashstring"
+else
+  printhelp
+fi
+
+exit 0
+
+#1.00